Shepherd's jumper with 13:17 left tied the game at 47-47, but Oklahoma opened up a 12-2 run to take a 59-49 edge just over 2 1/2 minutes later. TCU scored seven straight to make it a one-possession game just inside the nine-minute mark.

The Sooners lead grew to six points, 65-59, after a Spangler layup, but a 7-1 burst from the Horned Frogs tied the game at 66-66 with 3:42 remaining.

Oklahoma stretched its lead to seven points, 74-67, with just 1:22 remaining and Spangler delivered the dagger, a deep 3-pointer with 35 seconds to go, to put the game out of reach.

"I guess we are getting better at playing in tight games, but we wouldn't want it like that," said Spangler. "We need to work on finishing. We always start out with the lead, and at the end of the first half we have been giving up leads."

The Sooners led 40-36 after 20 minutes.

Game Notes

Oklahoma holds an 11-2 edge in the all-time series ... TCU's last conference victory came March 9, 2013 when the Horned Frogs beat Oklahoma ... Since joining the Big 12 last season, TCU is just 2-22 in conference games.